Changeset 2725 in MondoRescue for branches/2.2.9/mindi-busybox/libbb/full_write.c

Timestamp:

Feb 25, 2011, 9:26:54 PM (13 years ago)

Author:

Bruno Cornec

Message:

• Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3

File:

• branches/2.2.9/mindi-busybox/libbb/full_write.c (modified) (3 diffs)

branches/2.2.9/mindi-busybox/libbb/full_write.c

@@ -5 +5 @@
  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
  *
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
@@ -15 +15 @@
  * Returns the amount written, or -1 on an error.
  */
-ssize_t full_write(int fd, const void *buf, size_t len)
+ssize_t FAST_FUNC full_write(int fd, const void *buf, size_t len)
 {
     ssize_t cc;
@@ -25 +25 @@
         cc = safe_write(fd, buf, len);
 
-        if (cc < 0)
-            return cc;  /* write() returns -1 on failure. */
+        if (cc < 0) {
+            if (total) {
+                /* we already wrote some! */
+                /* user can do another write to know the error code */
+                return total;
+            }
+            return cc;  /* write() returns -1 on failure. */
+        }
 
         total += cc;